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kernel: update bcma backporting changes up to 4.8 

This allows building bcm47xxsflash on ARM.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
lede-17.01
Rafał Miłecki 2016-07-20 13:41:42 +02:00
parent d12e276cb0
commit 60d2620253
4 changed files with 101 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
target/linux/bcm53xx/config-4.4
View File

@ -66,6 +66,7 @@ CONFIG_BCMA_DRIVER_PCI=y
CONFIG_BCMA_HOST_PCI=y
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_SOC=y
# CONFIG_BCMA_SFLASH is not set
CONFIG_BGMAC=y
CONFIG_BOUNCE=y
CONFIG_CACHE_L2X0=y

49
target/linux/generic/patches-4.4/021-bcma-from-4.6.patch
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@ -618,12 +618,13 @@
}
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -294,7 +294,7 @@ static const struct pci_device_id bcma_p
@@ -294,7 +294,8 @@ static const struct pci_device_id bcma_p
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_DELL, 0x0016) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_FOXCONN, 0xe092) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
@ -705,7 +706,51 @@
+}
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -350,7 +350,7 @@ static int bcma_register_devices(struct
@@ -136,7 +136,6 @@ static bool bcma_is_core_needed_early(u1
return false;
}
-#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS)
static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
struct bcma_device *core)
{
@@ -184,7 +183,7 @@ static unsigned int bcma_of_get_irq(stru
struct of_phandle_args out_irq;
int ret;
- if (!parent || !parent->dev.of_node)
+ if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent || !parent->dev.of_node)
return 0;
ret = bcma_of_irq_parse(parent, core, &out_irq, num);
@@ -202,23 +201,15 @@ static void bcma_of_fill_device(struct p
{
struct device_node *node;
+ if (!IS_ENABLED(CONFIG_OF_IRQ))
+ return;
+
node = bcma_of_find_child_device(parent, core);
if (node)
core->dev.of_node = node;
core->irq = bcma_of_get_irq(parent, core, 0);
}
-#else
-static void bcma_of_fill_device(struct platform_device *parent,
- struct bcma_device *core)
-{
-}
-static inline unsigned int bcma_of_get_irq(struct platform_device *parent,
- struct bcma_device *core, int num)
-{
- return 0;
-}
-#endif /* CONFIG_OF */
unsigned int bcma_core_irq(struct bcma_device *core, int num)
{
@@ -350,7 +341,7 @@ static int bcma_register_devices(struct
bcma_register_core(bus, core);
}

52
target/linux/generic/patches-4.4/022-bcma-from-4.8.patch Normal file
View File

@ -0,0 +1,52 @@
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -76,9 +76,16 @@ config BCMA_PFLASH
default y
config BCMA_SFLASH
- bool
- depends on BCMA_DRIVER_MIPS
+ bool "ChipCommon-attached serial flash support"
+ depends on BCMA_HOST_SOC
default y
+ help
+ Some cheap devices have serial flash connected to the ChipCommon
+ instead of independent SPI controller. It requires using a separated
+ driver that implements ChipCommon specific interface communication.
+
+ Enabling this symbol will let bcma recognize serial flash and register
+ it as platform device.
config BCMA_NFLASH
bool
--- a/drivers/bcma/driver_chipcommon_b.c
+++ b/drivers/bcma/driver_chipcommon_b.c
@@ -33,11 +33,12 @@ static bool bcma_wait_reg(struct bcma_bu
void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value)
{
struct bcma_bus *bus = ccb->core->bus;
+ void __iomem *mii = ccb->mii;
- writel(offset, ccb->mii + 0x00);
- bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
- writel(value, ccb->mii + 0x04);
- bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
+ writel(offset, mii + BCMA_CCB_MII_MNG_CTL);
+ bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
+ writel(value, mii + BCMA_CCB_MII_MNG_CMD_DATA);
+ bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
}
EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write);
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -504,6 +504,9 @@
#define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK 0x1ff00000
#define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT 20
+#define BCMA_CCB_MII_MNG_CTL 0x0000
+#define BCMA_CCB_MII_MNG_CMD_DATA 0x0004
+
/* BCM4331 ChipControl numbers. */
#define BCMA_CHIPCTL_4331_BT_COEXIST BIT(0) /* 0 disable */
#define BCMA_CHIPCTL_4331_SECI BIT(1) /* 0 SECI is disabled (JATG functional) */

2
target/linux/generic/patches-4.4/042-0001-mtd-bcm47xxsflash-use-ioremap_cache-instead-of-KSEG0.patch
View File

@ -128,7 +128,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
u32 size;
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -585,7 +585,6 @@ struct bcma_pflash {
@@ -588,7 +588,6 @@ struct bcma_pflash {
#ifdef CONFIG_BCMA_SFLASH
struct bcma_sflash {
bool present;